Perhaps you should try some spelling variations:
politicos republica » politico republicano, criticos republica, politicas republicanas
politicas publicad » politicas publicas, politica publica, politica publicas
politicas publica » politicas publicas, politica publica, politica publicas
delito politicas » delitos politicos, delito politico, elites politicas

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( serie ((politicas publicad) OR (politicos republica)). ) OR ( delito politicas publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (( serie ((politicas publicad) or (politicos republica)). ) or ( delito politicas publica. ))*.